CN114323892B - Sample removing device for three-flap die - Google Patents
Sample removing device for three-flap die Download PDFInfo
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- CN114323892B CN114323892B CN202111424892.4A CN202111424892A CN114323892B CN 114323892 B CN114323892 B CN 114323892B CN 202111424892 A CN202111424892 A CN 202111424892A CN 114323892 B CN114323892 B CN 114323892B
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- 230000005540 biological transmission Effects 0.000 claims abstract description 52
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 230000013011 mating Effects 0.000 claims description 6
- 239000004927 clay Substances 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 239000004575 stone Substances 0.000 description 3
- 241000446313 Lamella Species 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The invention provides a three-flap mould sample removing device, which comprises a base, the device comprises a platform, a workbench arranged on the platform and an adjusting and clamping mechanism; an annular circular groove and bolt holes distributed on the outer side of the annular circular groove are concaved inwards on the platform, and balls are accommodated in the circular groove; the upper surface of the workbench is convexly provided with a round table for bearing the three dies, and a round groove which is circumferentially arranged on the outer side of the round table is inwards recessed and is used for configuring a sample protection cylinder, and the sample protection cylinder is provided with a gap which longitudinally penetrates to expose the dies; an annular matching groove is concaved inwards from the lower matching surface; the upper part of the ball is positioned in the annular matching groove; the adjusting and clamping mechanism comprises: the lifting adjusting rod is arranged on the platform and extends upwards, the upper force transmission cross rod is arranged on the lifting adjusting rod in a sliding mode and extends transversely from the side face of the lifting adjusting rod, the lower force transmission cross rod is arranged on the lower portion of the lifting adjusting rod in a sliding mode and extends transversely from the side face of the lifting adjusting rod, and the upper force transmission cross rod and the lower force transmission cross rod can rotate around the lifting adjusting rod and are used for respectively clamping the upper edge and the lower edge of the valve die.
Description
Technical Field
The invention relates to the field of civil test devices, in particular to a three-flap die sample removing device.
Background
The triaxial compression experiment is widely applied, the shear strength index of soil can be determined, and the soil sample for the experiment is mostly made of a three-flap mould sample device. In geotechnical tests, the disassembly of the three-piece mold is one of the steps of sample loading. Because of the characteristics of soft texture and high viscosity of the clay sample, larger side friction resistance is generated between the inner wall of the three-section die and the clay sample, so that manual disassembly becomes very difficult, and the clay sample is cracked and destroyed by a little careless, so that the clay sample cannot be tested. For the detached valve mould, the soil sample is exposed, and is often damaged by sharp objects such as nails. For experimenters, manual sample removal is a very time-consuming and difficult operation, and has a certain technical content.
Disclosure of Invention
The invention aims to: the three-valve die sample removing device can complete valve die disassembly of the three-valve die and perfectly protect the bare sample after the valve die disassembly.
The technical scheme is as follows: the three-section mould sample removing device is used for removing any section mould of the three section moulds, each section mould is provided with an upper edge and a lower edge, and comprises a base, a workbench and an adjusting and clamping mechanism; the base is provided with a horizontal platform, an annular circular groove and a plurality of bolt holes distributed on the outer side of the annular circular groove are inwards recessed in the platform, and a plurality of balls are accommodated in the annular circular groove; the workbench is arranged on the platform and is provided with an upper mounting surface and a lower matching surface, and a round platform positioned in the center of the workbench is formed by protruding upwards from the upper mounting surface and used for bearing a sample adhered to the inner wall of the three-section die; a round groove extending to the inside of the workbench is formed downwards and inwards from the upper mounting surface and circumferentially arranged at the outer side of the round table, and is used for configuring a sample protection cylinder, and the sample protection cylinder is provided with a notch longitudinally penetrating through the side wall of the sample protection cylinder and used for partially exposing the valve mold; an annular matching groove is concaved inwards from the lower matching surface; the upper parts of the plurality of balls are positioned in the annular matching groove; the adjusting and clamping mechanism comprises a lifting adjusting rod, an upper force transmission cross rod and a lower force transmission cross rod; the lifting adjusting rod is arranged on the base and extends upwards; the upper force transmission cross rod is arranged on the lifting adjusting rod in a sliding manner and transversely extends from the side surface of the lifting adjusting rod, the lower force transmission cross rod is arranged on the lifting adjusting rod and transversely extends from the side surface of the lifting adjusting rod, and the upper force transmission cross rod and the lower force transmission cross rod can rotationally surround the lifting adjusting rod and are used for respectively clamping the upper edge and the lower edge of a split die.
Further, the centers of the three-petal die are aligned with the center of the circular truncated cone, and the diameter of the circular truncated cone is smaller than the inner diameter of the three-petal die; when the upper force transmission cross rod and the lower force transmission cross rod clamp the split molds opposite to the notch, a splice seam is formed between the side edges of any two adjacent split molds, and the splice seam is positioned in the sample protection cylinder.
Further, an upper adjusting nut and a lower adjusting nut which are fastened at the tail end of the upper force transmission cross rod are in threaded fit on the lifting adjusting rod.
Further, a clamping groove is circumferentially arranged on the side surface of the lifting adjusting rod, the tail end of the lower force transmission cross rod is sleeved on the clamping groove, and the tail end is matched with a bolt in a threaded mode.
Furthermore, the workbench is provided with a mounting hole penetrating up and down; when a bolt passes through the workbench downwards from the mounting hole and penetrates into a certain bolt hole, the workbench is fixed on the platform.
Further, the lower matching surface is outwards protruded and extended to form a circular boss; a circular groove is concaved inwards on the platform, and a circular boss is accommodated in the circular groove.
Further, the lifting adjusting rod comprises a limiting sleeve, a gear and a hand wheel which are arranged in the base, the lower end of the lifting adjusting rod penetrates through the platform and then is adapted in the limiting sleeve, the surface of the side of the lower end of the lifting adjusting rod is provided with a plurality of longitudinally distributed tooth grooves, the limiting sleeve extends from top to bottom, the side wall of the limiting sleeve is provided with a longitudinal opening, the tooth surface side of the gear penetrates through the opening from the outside of the limiting sleeve and then is meshed with the tooth grooves, and the gear axially extends out of the hand wheel and is arranged outside the base.
Further, the circular groove is positioned at the center of the annular circular groove, and the circular boss is positioned at the center of the lower matching surface.
Further, the included angle formed by the centers of any two adjacent bolt holes and the annular circular groove is 120 degrees.
Further, a slot is concavely formed from the side edge of the top of the workbench, and the mounting hole penetrates through the slot.
The beneficial effects are that: this three lamella mould tears appearance device open, go up and pass the horizontal pole upper and lower movable and rotationally around the lift adjusting lever, pass the horizontal pole rotationally around the lift adjusting lever down, pass a lamella mould that the horizontal pole centre gripping needs to dismantle down and accomplish the drawing of patterns gradually through adjusting to pass the horizontal pole, pass the horizontal pole centre gripping down, can utilize the sample protection section of thick bamboo to protect naked sample, avoid sharp object to the destruction of sample, guaranteed the integrality of sample, solve the unstable sample fracture scheduling problem that leads to of manpower.
Drawings
FIG. 1 is a schematic diagram of a three-part mold sample removing apparatus for removing a three-part mold according to the present invention;
FIG. 2 is an enlarged schematic view of a three-part mold in a sample protection cartridge on a table as in FIG. 1;
FIG. 3 is a schematic view of the structure of the table when the table is fixed to the platform and the three-part mold and the sample protection cylinder are not placed;
FIG. 4 is a schematic structural view of a sample protection cartridge;
FIG. 5 is a schematic view of the appearance of the table;
FIG. 6 is a schematic view of the location of mounting holes on a table;
FIG. 7 is a schematic structural view of a platform;
FIG. 8 is a schematic view of the structure of the bottom of the table;
FIG. 9 is a schematic cross-sectional view of the table secured to the platform by a latch;
FIG. 10 is an enlarged schematic view of the clamping groove of the lift adjustment lever;
FIG. 11 is an assembled schematic view of the lift adjustment lever within the base;
fig. 12 is a schematic view of a structure of a tooth slot on a lift adjustment lever.
Detailed Description
The technical scheme provided by the invention is described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the three-clack die dismounting device is used for dismounting any one of the three-clack dies 110, and comprises a base 6, a workbench 7 and an adjusting and clamping mechanism.
Referring to fig. 1 to 8, the base 6 has a horizontal platform 60, and an annular groove 62, a circular groove 64 located at the center of the annular groove 62, and a plurality of pin holes 61 distributed outside the annular groove 62 are concavely formed on the platform 60, wherein the pin holes 61 are uniformly distributed outside the annular groove 62 in the circumferential direction, and a plurality of balls 63 are accommodated inside the annular groove 62.
The workbench 7 is arranged on the platform 60, the workbench 7 is provided with an upper mounting surface 701, the upper mounting surface 701 protrudes upwards to extend to form the round table 71 positioned at the center of the workbench 7 for bearing the sample 120, the sample 120 is a soil sample, the outer peripheral surface of the sample 120 is adhered with three dies, the diameter of the round table 71 is smaller than the inner diameter of the three dies, the center of the sample 120 and the center of the three dies are aligned with the center of the round table 71, and when the workbench is placed, the edge of each die 110 of the three dies is ensured to be exposed outside the round table 71.
A circular groove 72 extending into the workbench 7 is formed from the upper mounting surface 701 in a downward concave manner, the circular groove 72 is circumferentially arranged outside the circular table 71, a sample protection cylinder 9 is arranged in the circular groove 72, the diameter of the circular groove 72 is matched with the cylinder diameter of the sample protection cylinder 9, and the end part of the sample protection cylinder 9 can be placed in the circular groove 72; the sample protection barrel 9 is provided with a notch 91 penetrating through the side wall of the sample protection barrel along the longitudinal direction for partially exposing a certain to-be-detached valve mould 110, and the extending direction of the notch 91 is consistent with the longitudinal direction of the sample protection barrel 9; as shown in fig. 2, any one of the petals 110 has an upper edge 111 and a lower edge 112, a splice joint 113 is provided between any two adjacent petals 110, and the upper edge 111 and the lower edge 112 of the petals 110 to be disassembled are partially exposed at the notch 91, when the sample protection barrel 9 is placed inside the circular groove 72, the splice joint 113 is wrapped by the sample protection barrel 9 or only one splice joint 113 can be exposed at the notch 91; when the upper force transmission cross rod 2 and the lower force transmission cross rod 10 clamp the valve dies 110 opposite to the notch 91, the splicing seam 113 between any two adjacent valve dies 110 is positioned in the sample protection barrel 9; the sample protection cylinder 9 can protect the bare sample after the valve die 110 is detached.
The workbench 7 is further provided with a lower matching surface 702, an annular matching groove 76 is formed by extending the lower matching surface 702 in a concave manner, the upper parts of the plurality of balls 63 accommodated in the annular circular groove 62 are positioned in the annular matching groove 76, the balls 63 are steel balls, the balls 63 can freely roll in the annular circular groove 62 and the annular matching groove 76, and the workbench 7 can be guaranteed to smoothly rotate on the platform 60 through limiting and assembling the workbench 7 on the platform 60, namely, free rotation of the workbench 7 is realized.
Further preferably, a circular boss 75 is formed by protruding and extending from the center of the lower mating surface 702, the circular boss 75 is located at the center of the annular mating groove 76, a circular groove 64 is recessed on the platform 60, and the circular boss 75 is accommodated in the circular groove 64, so that the limit assembly of the workbench 7 and the platform 60 can be further realized.
Preferably, the table 7 further has a mounting hole 74 penetrating up and down, and as shown in fig. 10, a pin 8 is fixed to the platform 60 when penetrating down through the table 7 from the mounting hole 74 and penetrating into a pin hole 61. In this embodiment, the included angles formed by any two adjacent bolt holes 61 and the center of the annular circular groove 62 are 120 degrees, and the number of the bolt holes 61 is three.
Alternatively, a slot 73 is formed on the outside of the circular groove 72 from the side edge of the top of the workbench 7 in a concave manner, the bolt 8 can be transversely placed in the slot 73 after the mounting hole 74 and the bolt hole 61 are pulled out, the bolt 8 protrudes out of the slot 73, and the bolt 8 is shifted to drive the workbench 7 to rotate around the center thereof along the tangential direction of the workbench; further alternatively, the mounting hole 74 penetrates the bottom surface of the slot 73.
The adjusting and clamping mechanism comprises a lifting adjusting rod 4, an upper force transmission cross rod 2 and a lower force transmission cross rod 10. The lifting adjusting rod 4 is arranged on the base 6 and extends upwards, the upper force transmission cross rod 2 is arranged on the upper portion of the lifting adjusting rod 4 in a sliding mode and extends transversely from the side face of the lifting adjusting rod 4, an upper adjusting nut 1 and a lower adjusting nut 1 are fastened to the tail end of the upper force transmission cross rod 2 in a threaded fit mode on the lifting adjusting rod 4, threads matched with the upper adjusting nut 1 are arranged on the outer peripheral surface of the upper portion of the lifting adjusting rod 4, the upper adjusting nut 1 and the lower adjusting nut 1 can be loosened to enable the upper force transmission cross rod 2 to move up and down and rotate around the lifting adjusting rod 4, the upper force transmission cross rod 2 can be fixed by twisting the upper adjusting nut 1, and the upper force transmission cross rod 2 can be enabled to move up and down around the lifting adjusting rod 4 in a rotatable mode.
The lower force transmission cross rod 10 is movably arranged at the lower part of the lifting adjusting rod 4, transversely extends from the side surface of the lifting adjusting rod 4 and can rotate around the lifting adjusting rod 4; a clamping groove 41 is circumferentially arranged on the side surface of the lifting adjusting rod 4, the tail end of the lower force transmission cross rod 10 is sleeved on the clamping groove 41, and the tail end is matched with a bolt 3 in a threaded manner; the lower force transmission cross rod 10 can rotate around the lifting adjusting rod 4 by loosening the bolt 3, and the lower force transmission cross rod 10 can rotate around the lifting adjusting rod 4 by twisting the bolt 3. A clamping groove 41 is circumferentially arranged on the side surface of the lifting adjusting rod 4, the lower force transmission cross rod 10 is sleeved on the clamping groove 41, and the clamping groove 41 is used for limiting the lower force transmission cross rod 10 to move along the vertical direction of the lifting adjusting rod 4.
As shown in fig. 1, the upper and lower force transmission cross bars 2 and 10 rotatably clamp the upper and lower edges 111 and 112 of the split mold 110 of the three-split mold around the lift adjusting lever 4, respectively. When the upper force transmission cross rod 2 and the lower force transmission cross rod 10 clamp the valve dies 110 opposite to the notch 91, the splicing seam 113 between any two adjacent valve dies 110 is positioned in the sample protection cylinder 9, so that the bare sample after the valve dies 110 are disassembled is prevented from being damaged.
As shown in fig. 1, 11 and 12, the three-section mold sample removing device further comprises a limit sleeve 65, a gear 51 and a gear wheel 5 which are arranged in the base 6, the lower end of the lifting adjusting rod 4 passes through the platform 60 and then is adapted in the limit sleeve 65, the side surface of the lower end of the lifting adjusting rod 4 is provided with a plurality of longitudinally distributed tooth grooves 42, the limit sleeve 65 extends from top to bottom, the side wall of the limit sleeve is provided with a longitudinal opening 650, the tooth surface side 510 of the gear wheel 51 passes through the opening 650 from the outside of the limit sleeve 65 and then is meshed with the tooth grooves 42, and the gear wheel 51 axially extends out of the gear wheel 5 and is arranged outside the base 6. The hand wheel 5 can shake in the clockwise and anticlockwise directions, the hand wheel 5 is rotated to drive the gear 51 to rotate, the tooth grooves 42 are lifted or lowered one by one, so that the lifting adjusting rod 4 moves up and down, manpower is converted into stable axial pressure, and the upper force transmission cross rod 2 and the lower force transmission cross rod 10 are adjusted to enable the upper force transmission cross rod 2 and the lower force transmission cross rod 10 to respectively clamp the upper edge 111 and the lower edge 112 of the die 110 to be disassembled, so that the die stripping of the three-piece die is completed.
In addition, in the process of performing the split-die sample removing by using the three-split-die sample removing device, the surface of the sample 120 is made into a plane by a scraper, and a permeable stone having the same diameter as the sample 120 is placed on the upper surface of the sample 120.
The working method of the three-flap die sample removing device comprises the following steps:
(1) The bolt 8 is pulled out, whether the workbench 7 can freely rotate or not is tested, and then the bolt 8 is inserted into the bolt hole 61 to fix the workbench 7;
(2) Placing a three-petal mould sampler with filter paper and water permeable stones attached to two ends on a workbench 7, aligning the center of the three-petal mould with the circle center of a round table 71, exposing the edge of a petal mould 110 outside the round table 71, and adjusting the angle of the three-petal mould to enable one petal mould 110 to be disassembled to be opposite to a lifting adjusting rod 4;
(3) Loosening the bolts 3, adjusting the lower force transmission cross rod 10 to be aligned with the middle position of the lower edge 112 of the to-be-disassembled petal 110, and then swinging the hand wheel 5 to enable the lower force transmission cross rod 10 to be just contacted with the lower edge of the to-be-disassembled petal 110; then the upper and lower adjusting nuts 1 are rotated to adjust the upper force transmission cross rod 2 to be contacted with the middle position of the upper edge 111 of the split die 110, and then the upper and lower adjusting nuts 1 are tightened to fix the upper force transmission cross rod 2;
(4) One hand lightly presses the upper permeable stone to fix the sample, and the other hand rotates the hand wheel 5 to slowly lift the lifting adjusting rod 4, and finally the valve die 110 is dismounted;
(5) The hand wheel 5 is reversely rotated to reset the lifting adjusting rod 4, the plug pin 8 is pulled out to rotate the workbench 7 by 120 degrees, the plug pin 8 is inserted to fix the workbench 7, then the sample protection cylinder 9 is placed in the circular groove 72, the position of the notch 91 is aligned with the split mold 110 to be detached, the operation is repeated, and the rest two split molds 110 are removed.
After the sample disassembly is finished according to the steps, if other samples with different diameters are required to be disassembled, the sample disassembly can be realized according to the operation flow.
According to the three-section die sample disassembling device, the upper force transmission cross rod 2 can move up and down and can rotate around the lifting adjusting rod 4, the lower force transmission cross rod 10 can rotate around the lifting adjusting rod and is used for respectively clamping one section die 110 to be disassembled, and the lifting adjusting rod 4 can move up and down through shaking the hand wheel 5 to finish demolding, so that the problems of sample cracking and the like caused by manpower instability are solved, and the sample disassembling time is shortened; the exposed part of the sample can be protected by the sample protection cylinder 9, so that the damage of a sharp object to the sample is avoided, and the integrity of the sample is ensured; after detaching one of the clack moulds 110, the workbench 7 is rotated to enable the clack mould 110 to be detached to reach a designated position, meanwhile, the hand wheel 5 is rocked to enable the lifting adjusting rod 4 to be quickly reset, the next clack mould 110 to be detached can be quickly aligned with the lifting adjusting rod 4, one clack mould 110 is detached conveniently, and the whole operation is convenient and quick.
Claims (10)
1. A three-clack die sample removing device for removing any clack die (110) of the three clacks, each clack die (110) is provided with an upper edge (111) and a lower edge (112), and is characterized in that the three clack die sample removing device comprises a base (6), a workbench (7) and an adjusting and clamping mechanism; wherein,,
the base (6) is provided with a horizontal platform (60), an annular circular groove (62) and a plurality of bolt holes (61) distributed on the outer side of the annular circular groove are concaved inwards on the platform (60), and a plurality of balls (63) are accommodated in the annular circular groove (62);
the workbench (7) is arranged on the platform (60) and is provided with an upper mounting surface (701) and a lower matching surface (702), and a round table (71) positioned in the center of the workbench (7) is formed by upwards protruding and extending from the upper mounting surface (701) and is used for bearing a sample (120) adhered to the inner wall of the three-section die; a circular groove (72) extending into the workbench (7) is formed from the upper mounting surface (701) in a downward and inward manner, and is circumferentially arranged on the outer side of the circular table (71) and is used for being provided with a sample protection cylinder (9), and the sample protection cylinder (9) is provided with a notch (91) penetrating through the side wall of the sample protection cylinder along the longitudinal direction and is used for partially exposing a certain valve die (110); an annular mating groove (76) is recessed from the lower mating surface (702); the upper parts of the plurality of balls (63) are positioned in the annular matching groove (76);
the adjusting and clamping mechanism comprises a lifting adjusting rod (4), an upper force transmission cross rod (2) and a lower force transmission cross rod (10); the lifting adjusting rod (4) is arranged on the base (6) and extends upwards; the upper force transmission cross rod (2) is arranged on the lifting adjusting rod (4) in a sliding manner and transversely extends from the side surface of the lifting adjusting rod (4), the lower force transmission cross rod (10) is arranged on the lifting adjusting rod (4) and transversely extends from the side surface of the lifting adjusting rod (4), and the upper force transmission cross rod (2) and the lower force transmission cross rod (10) rotatably surround the lifting adjusting rod (4) and are used for respectively clamping the upper edge (111) and the lower edge (112) of a split die (110).
2. The three-lobed die sample removal device according to claim 1, wherein the three-lobed die center is aligned with the center of the circular table (71), and the circular table (71) diameter is smaller than the three-lobed die inner diameter; when the upper force transmission cross rod (2) and the lower force transmission cross rod (10) clamp the valve dies (110) opposite to the notch (91), a splice seam (113) is formed between the side edges of any two adjacent valve dies (110), and the splice seam is positioned in the sample protection barrel (9).
3. The three-flap die sample removing device according to claim 1, wherein an upper and a lower adjusting nuts (1) fastened at the tail end of the upper force transmission cross rod (2) are in threaded fit on the lifting adjusting rod (4).
4. The three-jaw die sample removing device according to claim 1, wherein a clamping groove (41) is circumferentially arranged on the side surface of the lifting adjusting rod (4), the tail end of the lower force transmission cross rod (10) is sleeved on the clamping groove (41) and matched with a bolt (3) through threads.
5. The three-flap pattern removing device according to claim 1, wherein the working table (7) is provided with a mounting hole (74) penetrating up and down; when a bolt (8) passes through the workbench (7) downwards from the mounting hole (74) and penetrates into a certain bolt hole (61), the workbench (7) is fixed on the platform (60).
6. The three-piece mold sample removal device of claim 1, wherein the lower mating surface (702) is outwardly convex with a rounded boss (75) extending therefrom; a circular groove (64) is concaved on the platform (60), and a circular boss (75) is accommodated in the circular groove (64).
7. The three-part mold sample removing device according to claim 1, further comprising a limit sleeve (65), a gear (51) and a toothed wheel (5) which are arranged in the base (6), wherein the lower end of the lifting adjusting rod (4) passes through the platform (60) and then is matched in the limit sleeve (65), the lower end side surface of the lifting adjusting rod (4) is provided with a plurality of longitudinally distributed tooth grooves (42), the limit sleeve (65) extends from top to bottom, the side wall of the limit sleeve is provided with a longitudinal opening (650), the tooth surface side (510) of the gear (51) passes through the opening (650) from the outside of the limit sleeve (65) and then is meshed with the tooth grooves (42), and the gear (51) axially extends out of the toothed wheel (5) and is arranged outside the base (6).
8. The three-piece die sample removal device of claim 6, wherein the circular recess (64) is centered in the annular circular groove (62) and the circular boss (75) is centered in the lower mating surface (702).
9. The three-flap pattern removing device according to claim 1, wherein the included angles formed by any two adjacent bolt holes (61) and the circle center of the annular circular groove (62) are all 120 degrees.
10. The three-part mold sample removing device according to claim 5, wherein a slot (73) is formed by recessing from the top side edge of the table (7), and the mounting hole (74) penetrates through the slot (73).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111424892.4A CN114323892B (en) | 2021-11-26 | 2021-11-26 | Sample removing device for three-flap die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111424892.4A CN114323892B (en) | 2021-11-26 | 2021-11-26 | Sample removing device for three-flap die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114323892A CN114323892A (en) | 2022-04-12 |
| CN114323892B true CN114323892B (en) | 2023-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111424892.4A Active CN114323892B (en) | 2021-11-26 | 2021-11-26 | Sample removing device for three-flap die |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117419995A (en) * | 2023-12-18 | 2024-01-19 | 中铁十八局集团第四工程有限公司 | Saturated red clay triaxial sample demoulding structure |
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